import { Link, useHistory } from 'react-router-dom';
import {
  Card,
  Breadcrumb,
  Form,
  Button,
  Radio,
  DatePicker,
  Tag,
  Space,
  Table,
  Modal,
} from 'antd';
import {
  EditOutlined,
  DeleteOutlined,
  ExclamationCircleOutlined,
} from '@ant-design/icons';
import 'moment/locale/zh-cn';
import locale from 'antd/es/date-picker/locale/zh_CN';
import { useEffect, useRef } from 'react';
import { useDispatch, useSelector } from 'react-redux';
import {
  getArticleListAction,
  deleteArticleAction,
} from '@/store/actions/article';
import img404 from '@/assets/images/error.png';
import { Channel } from '@/components/Channel';

const { RangePicker } = DatePicker;
const { confirm } = Modal;

const Article = () => {
  const history = useHistory();
  const dispatch = useDispatch();

  // 创建组件私有数据
  const dataFormRef = useRef();
  const { page, pageSize, articleList, count } = useSelector(
    state => state.article
  );

  useEffect(() => {
    const getArticleList = async () => {
      await dispatch(getArticleListAction({}));
    };

    getArticleList();
  }, [dispatch]);

  // 优化文章状态的处理
  const articleStatus = {
    0: { color: 'yellow', text: '草稿' },
    1: { color: '#ccc', text: '待审核' },
    2: { color: 'green', text: '审核通过' },
    3: { color: 'red', text: '审核失败' },
  };

  const columns = [
    {
      title: '封面',
      dataIndex: 'cover',
      render: cover => {
        return <img src={cover ?? img404} width={200} height={150} alt="" />;
      },
    },
    {
      title: '标题',
      dataIndex: 'title',
      width: 220,
    },
    {
      title: '状态',
      dataIndex: 'status',
      render: data => {
        const tagData = articleStatus[data];
        return <Tag color={tagData.color}>{tagData.text}</Tag>;
      },
    },
    {
      title: '发布时间',
      dataIndex: 'pubdate',
    },
    {
      title: '阅读数',
      dataIndex: 'read_count',
    },
    {
      title: '评论数',
      dataIndex: 'comment_count',
    },
    {
      title: '点赞数',
      dataIndex: 'like_count',
    },
    {
      title: '操作',
      render: data => {
        return (
          <Space size="middle">
            <Button
              type="primary"
              shape="circle"
              icon={<EditOutlined />}
              onClick={() => history.push(`/home/publish/${data.id}`)}
            />
            <Button
              type="primary"
              danger
              shape="circle"
              icon={<DeleteOutlined />}
              onClick={() => onDeleteArticle(data.id)}
            />
          </Space>
        );
      },
    },
  ];

  // 删除文章
  const onDeleteArticle = id => {
    confirm({
      title: '温馨提示',
      icon: <ExclamationCircleOutlined />,
      content: '您确定要删除本条数据吗？',
      onOk: async () => {
        // console.log('OK');
        await dispatch(deleteArticleAction(id));
        await dispatch(getArticleListAction(dataFormRef.current));
      },
    });
    console.log(id);
  };

  // 表单查询
  const onSearch = values => {
    // 处理成接口需要的参数
    const { status, channel_id, date } = values;
    const params = {};

    if (status !== -1) {
      params.status = status;
    }

    if (channel_id !== undefined) {
      params.channel_id = channel_id;
    }

    if (date !== undefined && date !== null) {
      params.begin_pubdate = date[0].format('YYYY-MM-DD HH:mm:ss');
      params.end_pubdate = date[1].format('YYYY-MM-DD HH:mm:ss');
    }

    dataFormRef.current = params;
    dispatch(getArticleListAction(params));
  };

  // 分页查询
  const changePage = pagination => {
    console.log(page, pageSize);
    const params = {
      page: pagination.current,
      per_page: pagination.pageSize,
      ...dataFormRef.current,
    };
    // 把分页数据也存放起来
    dataFormRef.current = params;
    dispatch(getArticleListAction(params));
  };

  return (
    <div>
      <Card
        title={
          <Breadcrumb separator=">">
            <Breadcrumb.Item>
              <Link to="/home">首页</Link>
            </Breadcrumb.Item>
            <Breadcrumb.Item>内容管理</Breadcrumb.Item>
          </Breadcrumb>
        }
        style={{ marginBottom: 20 }}
      >
        <Form initialValues={{ status: -1 }} onFinish={onSearch}>
          <Form.Item label="状态" name="status">
            <Radio.Group>
              <Radio value={-1}>全部</Radio>
              <Radio value={0}>草稿</Radio>
              <Radio value={1}>待审核</Radio>
              <Radio value={2}>审核通过</Radio>
              <Radio value={3}>审核失败</Radio>
            </Radio.Group>
          </Form.Item>

          <Form.Item label="频道" name="channel_id">
            <Channel width={264} />
          </Form.Item>

          <Form.Item label="日期" name="date">
            <RangePicker locale={locale}></RangePicker>
          </Form.Item>

          <Form.Item>
            <Button type="primary" htmlType="submit">
              筛选
            </Button>
          </Form.Item>
        </Form>
      </Card>

      <Card title={`根据筛选条件共查询到${count}条结果：`}>
        {/* // columns 用来指定表格的列 // dataSource 用来指定表格的数据源 */}
        <Table
          columns={columns}
          dataSource={articleList}
          rowKey="id"
          pagination={{
            current: page,
            pageSize,
            total: count,
            showSizeChanger: true,
            position: ['bottomCenter'],
          }}
          onChange={changePage}
        />
      </Card>
    </div>
  );
};

export default Article;
